Electronic Throttle Control System Diagram
WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
The electronic throttle control system consists of the throttle actuator, throttle position (TP) sensor A/B, accelerator pedal position (APP) sensor A/B, the throttle actuator control module, and the ECM/PCM. The throttle is electronically controlled by this system.